Last modified by Edwin Chen on 2022/11/22 09:38
<
From version < 4.3 >
edited by Xiaoling
on 2022/06/02 11:34
To version < 16.2 >
edited by Xiaoling
on 2022/06/02 14:57
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -1,25 +1,34 @@
1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +**Contents： **
2 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 +
6 +
7 +
5 5  = **1. Overview** =
6 6  
10 +(((
7 7  Shipped LT-22222-L is base on LoRaWAN protocol. We also develop a open source Point to Point LoRa protocol for LT-22222-L. The source code and hex file can be found at:
12 +)))
8 8  
14 +(((
9 9  [[Point to Point Software for LT-22222-L>>https://github.com/dragino/LT-22222-L]].
16 +)))
10 10  
11 -== ==
12 12  
13 13  = **2. Features for this firmware** =
14 14  
21 +== **2.1  Point To Point** ==
15 15  
16 -== **2.1  Overview** ==
23 +=== **2.1.1 Overview** ===
17 17  
18 -[[image:image-20220602111219-1.png]]
19 19  
26 +[[image:image-20220602111219-1.png||height="472" width="972"]]
20 20  
21 -== **2.2. Configure** ==
22 22  
29 +=== **2.2.2 Configure** ===
30 +
31 +
23 23  (% border="1" style="background-color:#f7faff; color:black; width:500px" %)
24 24  |=**A's configuration**|=**B's configuration**
25 25  |AT+GROUPMOD=0|AT+GROUPMOD=0
... ... @@ -32,52 +32,453 @@
32 32  |AT+DI2TODO2=2 |AT+DI2TODO2=2
33 33  |AT+DI2TORO2=2|AT+DI2TORO2=2
34 34  
35 -(% style="color:#037691" %)**A's configuration:  ** **B's configuration:**
36 36  
45 +=== **2.2.3 Serial port display** ===
46 +
47 +
48 +(% class="wikigeneratedid" %)
49 +[[image:image-20220602111219-2.png]]
50 +
51 +
52 +(% class="wikigeneratedid" %)
53 +[[image:image-20220602111219-3.png]]
54 +
55 +(% class="wikigeneratedid" %)
56 +If the sender does not get the ACK reply from the receiver, it will retransmit up to 4 times, each interval is 6 seconds, and the UplinkCounter of the retransmission will not increase.
57 +
58 +
59 +== **2.2  Point To Mult-Point ** ==
60 +
61 +=== **2.2.1 Overview** ===
62 +
63 +
64 +[[image:1654152390874-192.png]]
65 +
66 +
67 +=== **2.2.2  Configure** ===
68 +
69 +
70 +(% style="color:#4f81bd" %)**Configuration of the TX group:**
71 +
72 +AT+GROUPMOD=0,2
73 +
74 +AT+TXCHS=868700000
75 +
76 +AT+RXCHS=869000000
77 +
78 +AT+TRIG1=2,50
79 +
80 +AT+TRIG2=2,50
81 +
82 +AT+DI1TODO1=1
83 +
84 +AT+DI1TORO1=1
85 +
86 +AT+DI2TODO2=1
87 +
88 +AT+DI2TORO2=1
89 +
90 +
91 +(% style="color:#4f81bd" %)**Configuration for RX group number 1:**
92 +
93 +AT+GROUPMOD=1,1
94 +
95 +AT+TXCHS=869000000
96 +
97 +AT+RXCHS=868700000
98 +
99 +
100 +(% style="color:#4f81bd" %)**Configuration for RX group number 2:**
101 +
102 +AT+GROUPMOD=1,2
103 +
104 +AT+TXCHS=869000000
105 +
106 +AT+RXCHS=868700000
107 +
108 +
109 +=== **2.2.3 Serial port display** ===
110 +
111 +
112 +[[image:image-20220602144747-1.png]]
113 +
114 +
115 +[[image:image-20220602144747-2.png]]
116 +
37 37  (((
38 -AT+GROUPMOD=0  AT+GROUPMOD=0
118 +If the TX group does not receive all the ACK replies from the RX group, it will retransmit up to 4 times, each time interval is 30 seconds, and the retransmission UplinkCounter will not increase.
39 39  )))
40 40  
121 +
122 +== **2.3 AT command** ==
123 +
124 +
41 41  (((
42 -AT+TXCHS=868700000  AT+TXCHS=869000000
126 +(% style="color:#037691" %)**ATZ** (%%)**: ** Trig a reset of the MCU
43 43  )))
44 44  
45 45  (((
46 -AT+RXCHS=869000000  AT+RXCHS=868700000
130 +(% style="color:#037691" %)**AT+FDR** (%%)**:**  Reset Parameters to Factory Default, Keys Reserve
47 47  )))
48 48  
49 49  (((
50 -AT+TRIG1=2,50  AT+TRIG1=2,50
134 +(% style="color:#037691" %)**AT+FCU** (%%)**:**  Get or Set the Frame Counter Uplink
51 51  )))
52 52  
53 53  (((
54 -AT+TRIG2=2,50  AT+TRIG2=2,50
138 +(% style="color:#037691" %)**AT+FCD** (%%)**:**  Get or Set the Frame Counter Downlink
55 55  )))
56 56  
57 57  (((
58 -AT+DI1TODO1=2  AT+DI1TODO1=2
142 +(% style="color:#037691" %)**AT+TXP** (%%)**:**  Get or Set the transmit power, the maximum is 20dBm (default is 14dBm)
59 59  )))
60 60  
61 61  (((
62 -AT+DI1TORO1=2  AT+DI1TORO1=2
146 +(% style="color:#037691" %)**AT+SYNC** (%%)**:**  Get or Set the Sync word [1:0x34,0:0x12] (default is 1)
63 63  )))
64 64  
65 65  (((
66 -AT+DI2TODO2=2  AT+DI2TODO2=2
150 +(% style="color:#037691" %)**AT+PMB** (%%)**:    **Get or Set the preamble (default:8)
67 67  )))
68 68  
69 69  (((
70 -AT+DI2TORO2=2  AT+DI2TORO2=2
154 +(% style="color:#037691" %)**AT+TXCHS **(%%)**:** Get or Set the transmit frequency of TX (default:868700000)
71 71  )))
72 72  
157 +(((
158 +(% style="color:#037691" %)**AT+TXSF **(%%)**:**  Get or Set the spreading factor of TX (7 to 12) (default:12)
159 +)))
73 73  
74 -== **2.3.  Serial port display** ==
161 +(((
162 +(% style="color:#037691" %)**AT+RXCHS **(%%)**:** Get or Set the transmit frequency of RX (default:869000000)
163 +)))
75 75  
76 -[[image:image-20220602111219-2.png]]
165 +(((
166 +(% style="color:#037691" %)**AT+RXSF **(%%)**:**  Get or Set the spreading factor of RX (7 to 12) (default:12)
167 +)))
77 77  
169 +(((
170 +(% style="color:#037691" %)**AT+BW **(%%)**:       **Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0)
171 +)))
78 78  
79 -[[image:image-20220602111219-3.png]]
173 +(((
174 +(% style="color:#037691" %)**AT+CR **(%%)**:        **Get or Set the coding rate [1: 4/5, 2: 4/6, 3: 4/7, 4: 4/8] (default:1)
175 +)))
80 80  
81 -If the sender does not get the ACK reply from the receiver, it will retransmit up to 4 times, each interval is 6 seconds, and the UplinkCounter of the retransmission will not increase.
177 +(((
178 +(% style="color:#037691" %)**AT+TDC **(%%)**:**  Get or set the application data transmission interval in ms(default 10 minutes)
179 +)))
82 82  
181 +(((
182 +(% style="color:#037691" %)**AT+VER **(%%)**:**  Get firmware version number
183 +)))
184 +
185 +(((
186 +(% style="color:#037691" %)**AT+SEND **(%%)**:   **Set Custom sent hex data
187 +)))
188 +
189 +(((
190 +(% style="color:#037691" %)**AT+GROUPMOD **(%%)**: **Set or Get the grouping mode of the device (default: 0)
191 +)))
192 +
193 +(((
194 +(((
195 +(% style="color:#037691" %)**AT+GROUPID **(%%)**:      **Set or Get the password for matching between TX group and RX group, which can be composed of numbers or characters (default: 12345678)
196 +)))
197 +)))
198 +
199 +(((
200 +(% style="color:#037691" %)**AT+TRIG1 **(%%)**:**  Set or Get the DI1 pin interrupt trigger mode (default 0,0)
201 +)))
202 +
203 +(((
204 +(% style="color:#037691" %)**AT+TRIG2 **(%%)**:            **Set or Get the DI2 pin interrupt trigger mode (default 0,0)
205 +)))
206 +
207 +(((
208 +(% style="color:#037691" %)**AT+DI1TODO1 **(%%)**:    **Set or get the mode in which DI1 maps to DO1 (default 0)
209 +)))
210 +
211 +(((
212 +(% style="color:#037691" %)**AT+DI1TORO1 **(%%)**:    **Set or get the mode in which DI1 maps to RO1(default 0)
213 +)))
214 +
215 +(((
216 +(% style="color:#037691" %)**AT+DI2TODO2 **(%%)**:**  Set or get the mode in which DI2 maps to DO2(default 0)
217 +)))
218 +
219 +(((
220 +(% style="color:#037691" %)**AT+DI2TORO2 **(%%)**:    **Set or get the mode in which DI2 maps to RO2(default 0)
221 +)))
222 +
223 +(((
83 83  
225 +)))
226 +
227 +(((
228 +
229 +)))
230 +
231 +(((
232 +(% style="color:#4f81bd" %)**Example 1:**
233 +)))
234 +
235 +(((
236 +**AT+SEND=01020304 **will send a payload of 01020304
237 +)))
238 +
239 +(((
240 +
241 +)))
242 +
243 +(((
244 +(% style="color:#4f81bd" %)**Example 2: **
245 +)))
246 +
247 +(((
248 +**AT+TRIGx=a    **Trigger directly without triggering time
249 +)))
250 +
251 +(((
252 +**AT+TRIGx=a,b**
253 +)))
254 +
255 +(((
256 +a=0: falling edge;
257 +)))
258 +
259 +(((
260 +a=1: rising edge;
261 +)))
262 +
263 +(((
264 +a=2: falling edge or rising edge;
265 +)))
266 +
267 +(((
268 +b:  triggering time in milliseconds.
269 +)))
270 +
271 +(((
272 +AT+TRIGx=2,50  Falling edge or rising edge trigger, and the trigger time exceeds 50ms.
273 +)))
274 +
275 +(((
276 +
277 +)))
278 +
279 +(((
280 +(% style="color:#4f81bd" %)**Example 3: **
281 +)))
282 +
283 +(((
284 +**AT+DI1TODO1= maps value**
285 +)))
286 +
287 +(((
288 +**AT+DI1TORO1= maps value**
289 +)))
290 +
291 +(((
292 +**AT+DI2TODO2= maps value**
293 +)))
294 +
295 +(((
296 +**AT+DI2TORO2= maps value**
297 +)))
298 +
299 +(((
300 +
301 +)))
302 +
303 +(% border="1" style="background-color:#f7faff; color:black; width:706px" %)
304 +|=(% style="width: 102px;" %)(((
305 +Maps value
306 +)))|=(% style="width: 331px;" %)(((
307 +DIx to DOx
308 +)))|=(% style="width: 268px;" %)(((
309 +DIx to ROx
310 +)))
311 +|(% style="width:102px" %)(((
312 +0
313 +)))|(% style="width:331px" %)(((
314 +No Action
315 +)))|(% style="width:268px" %)(((
316 +No Action
317 +)))
318 +|(% style="width:102px" %)(((
319 +1
320 +)))|(% style="width:331px" %)(((
321 +If DIx is high, control DOx to output low level, If DIx is low, control DOx to output high level
322 +)))|(% style="width:268px" %)(((
323 +(((
324 +If DIx is high, control ROx to close,
325 +)))
326 +
327 +(((
328 +if DIx is low, control ROx to open
329 +)))
330 +)))
331 +|(% style="width:102px" %)(((
332 +2
333 +)))|(% style="width:331px" %)(((
334 +If DIx is high, control DOx to output high level, If DIx is low, control DOx to output low level
335 +)))|(% style="width:268px" %)(((
336 +(((
337 +If DIx is high, control ROx to open,
338 +)))
339 +
340 +(((
341 +if DIx is low, control ROx to close
342 +)))
343 +)))
344 +|(% style="width:102px" %)(((
345 +3
346 +)))|(% style="width:331px" %)(((
347 +DOx state flip
348 +)))|(% style="width:268px" %)(((
349 +ROx state flip
350 +)))
351 +
352 +(((
353 +(% style="color:#4f81bd" %)**Example 4: **
354 +)))
355 +
356 +(((
357 +**AT+GROUPMOD=0**  Set to point to point mode
358 +)))
359 +
360 +(((
361 +**AT+GROUPMOD=0,aa**  Set the TX group that controls the number of aa (The maximum value of aa is 8)
362 +)))
363 +
364 +(((
365 +(((
366 +**AT+GROUPMOD=1,bb**  Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8)
367 +)))
368 +)))
369 +
370 +(((
371 +**AT+GROUPMOD=0,2**  Set to control the TX group of the two RX groups
372 +)))
373 +
374 +(((
375 +**AT+GROUPMOD=1,1**  Set the RX group numbered 1
376 +)))
377 +
378 +(((
379 +**AT+GROUPMOD=1,2**  Set the RX group numbered 2
380 +)))
381 +
382 +
383 +== **2.4 Data Format** ==
384 +
385 +(((
386 +8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum
387 +)))
388 +
389 +(((
390 +
391 +)))
392 +
393 +(((
394 +(% style="color:#4f81bd" %)**Payload:**
395 +)))
396 +
397 +(% border="1" style="background-color:#f7faff; color:black; width:938px" %)
398 +|=(% style="width: 123px;" %)(((
399 +**Size (bytes)**
400 +)))|=(% style="width: 107px;" %)(((
401 +1
402 +)))|=(% style="width: 107px;" %)(((
403 +1
404 +)))|=(% style="width: 107px;" %)(((
405 +1
406 +)))|=(% style="width: 107px;" %)(((
407 +1
408 +)))|=(% style="width: 107px;" %)(((
409 +1
410 +)))|=(% style="width: 107px;" %)(((
411 +1
412 +)))|=(% style="width: 107px;" %)(((
413 +1
414 +)))|=(% style="width: 107px;" %)(((
415 +1
416 +)))|=(% style="width: 107px;" %)(((
417 +1
418 +)))
419 +|(% style="width:123px" %)(((
420 +**Value**
421 +)))|(% style="width:38px" %)(((
422 +address
423 +)))|(% style="width:70px" %)(((
424 +request
425 +)))|(% style="width:52px" %)(((
426 +ACK
427 +)))|(% style="width:127px" %)(((
428 +(((
429 +DI1&
430 +)))
431 +
432 +(((
433 +DI1 level
434 +)))
435 +)))|(% style="width:101px" %)(((
436 +DI1TODO1
437 +)))|(% style="width:91px" %)(((
438 +DI1TORO1
439 +)))|(% style="width:111px" %)(((
440 +(((
441 +DI2&
442 +)))
443 +
444 +(((
445 +DI2 level
446 +)))
447 +)))|(% style="width:105px" %)(((
448 +DI2TODO2
449 +)))|(% style="width:106px" %)(((
450 +DI2TORO2
451 +)))
452 +
453 +(((
454 +(% style="color:#037691" %)**The first byte**(%%)**:**  00 is the broadcast address, 01-08 is the RX group number.
455 +)))
456 +
457 +(((
458 +(% style="color:#037691" %)**The second byte**(%%)**:**  send mapping request when not 0, not request when it is 0.
459 +)))
460 +
461 +(((
462 +(% style="color:#037691" %)**The third byte**(%%)**:**  ACK returned to the sender after the mapping is completed.
463 +)))
464 +
465 +(((
466 +(((
467 +(% style="color:#037691" %)**The fourth byte**(%%)**:**  the high four bits are 1 to represent DI1, and the low four bits are the level of DI1 when the interrupt is triggered.
468 +)))
469 +)))
470 +
471 +(((
472 +(% style="color:#037691" %)**The Fifth byte**(%%)**:       **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered.
473 +)))
474 +
475 +(((
476 +(% style="color:#037691" %)**The Sixth byte**(%%)**:**  0 does not trigger interrupt when DI1TORO1 interrupt is triggered.
477 +)))
478 +
479 +(((
480 +(((
481 +(% style="color:#037691" %)**The seventh byte**(%%)**:**  the high four bits are 2 to represent DI2, and the low four bits are the level of DI2 when the interrupt is triggered.
482 +)))
483 +)))
484 +
485 +(((
486 +(% style="color:#037691" %)**The 8th byte**(%%)**:          **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered.
487 +)))
488 +
489 +(((
490 +(% style="color:#037691" %)**The 9th byte**(%%)**:**  DI2TORO2 when an interrupt is triggered, 0 when an interrupt is not triggered.
491 +)))
492 +
493 +
1654152390874-192.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +287.9 KB
Content
image-20220602144747-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +36.9 KB
Content
image-20220602144747-2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +21.9 KB
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0